444332223109 has 2 divisors, whose sum is σ = 444332223110. Its totient is φ = 444332223108.

The previous prime is 444332223091. The next prime is 444332223197. The reversal of 444332223109 is 901322233444.

Together with previous prime (444332223091) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 255533283009 + 188798940100 = 505503^2 + 434510^2 .

It is a cyclic number.

It is not a de Polignac number, because 444332223109 - 2⁵ = 444332223077 is a prime.

It is a super-2 number, since 2×444332223109² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (444332220109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222166111554 + 222166111555.

It is an arithmetic number, because the mean of its divisors is an integer number (222166111555).

Almost surely, 2^444332223109 is an apocalyptic number.

It is an amenable number.

444332223109 is a deficient number, since it is larger than the sum of its proper divisors (1).

444332223109 is an equidigital number, since it uses as much as digits as its factorization.

444332223109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 124416, while the sum is 37.

The spelling of 444332223109 in words is "four hundred forty-four billion, three hundred thirty-two million, two hundred twenty-three thousand, one hundred nine".